Ablation device for cardiac tissue, in particular for forming linear lesions between two vessel orifices in the heart
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United States of America Patent
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Issued Date -
Oct 30, 2003
app pub date -
Apr 22, 2003
filing date -
Apr 24, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An ablation device for cardiac tissue, in particular for forming linear lesions between two vessel orifices in the heart, comprising an ablation catheter which, in front of a distal end, is provided with an ablation applicator that reaches over a certain length of the catheter; a steerable positioning catheter which the ablation catheter is guided along for displacement relative thereto in a longitudinal axial direction; and a distal end section of the positioning catheter, proximally of which the guide of the ablation catheter through the positioning catheter terminates and the ablation catheter is freely movable together with the ablation applicator, with the effective ablation length, outside the guide, of the ablation applicator being variable by longitudinal axial displacement of the two catheters relative to each other.
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